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| Application of corneal bandages contact lens after the operation of pterygium |
| HUANG Yumei1, SUN Hongkun2, WANG Lin3, ZHANG Huizhi3, LU Yanmin4, WANG Lijun3 |
1 Department of Prosthodontics,Binzhou Medical University Hospital,Binzhou 256003,P.R.China;
2 Hematological Department,Binzhou Medical University Hospital;
3 Department of Ophthalmology,Binzhou Medical University Hospital;
4 Department of Nutrition, Binzhou Medical University Hospital |
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Abstract Objective To evaluate the clinical effect of corneal bandages contact lens covering wounds after the operation of pterygium.Methods One hundred twelve cases(112 eyes) of primary pterygium were selected from June 2015 to June 2017.They were divided into 2 groups according to the random number table method, of which 54 were in the control group and 58 were in the experiment group.All patients received pterygium resection and autologous corneal limbal stem cell transplantation. Patients in the control group were directly treated with gauze after operation.Patients in the experiment group wore corneal bandages at the end of the operation which were removed 10 days after the operation, and the corneal staining was recorded.The pain of the operated eyes was recorded six hours, one day and ten days after the operation in both groups of patients.The best correction vision, corneal astigmatism, surface asymmetry index of corneal topographic map, and surface regularity index were recorded before the operation and 1 month and 3 months after the operation. The wound healing was recorded one day and ten days after the operation.Breaking up time (BUT) of tear film of operated eyes was recorded before the operation and 10 days after the operation.The recurrence of pterygium 6 months after the operation was recorded.Results Ten days after the operation, the status of corneal wound fluorescence staining was observed, the positive rate of corneal staining in the experimental group was higher than that of the control group. The pain indexes of the experiment group 6 hours and one day after the operation were significantly lower than those of the control group. Astigmatism, SNP, and SAI in the experiment group 1 month and 3 months after the operation were all lower than those of the control group.Conclusion The use of corneal bandages contact lens in pterygium patients after surgery can reduce the pain response of the eyes, promote the repair of corneal wounds, reduce postoperative corneal astigmatism, and improve visual quality.
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Received: 13 May 2018
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